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<h1 class="title">window.cpp Example File</h1>
<span class="subtitle">hellogl2/window.cpp</span>
<!-- $$$hellogl2/window.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "glwidget.h"</span>
<span class="preprocessor">#include "window.h"</span>
<span class="preprocessor">#include "mainwindow.h"</span>
<span class="preprocessor">#include <QSlider></span>
<span class="preprocessor">#include <QVBoxLayout></span>
<span class="preprocessor">#include <QHBoxLayout></span>
<span class="preprocessor">#include <QKeyEvent></span>
<span class="preprocessor">#include <QPushButton></span>
<span class="preprocessor">#include <QDesktopWidget></span>
<span class="preprocessor">#include <QApplication></span>
<span class="preprocessor">#include <QMessageBox></span>
Window<span class="operator">::</span>Window(MainWindow <span class="operator">*</span>mw)
: mainWindow(mw)
{
glWidget <span class="operator">=</span> <span class="keyword">new</span> GLWidget;
xSlider <span class="operator">=</span> createSlider();
ySlider <span class="operator">=</span> createSlider();
zSlider <span class="operator">=</span> createSlider();
connect(xSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>valueChanged<span class="operator">,</span> glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>setXRotation);
connect(glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>xRotationChanged<span class="operator">,</span> xSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>setValue);
connect(ySlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>valueChanged<span class="operator">,</span> glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>setYRotation);
connect(glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>yRotationChanged<span class="operator">,</span> ySlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>setValue);
connect(zSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>valueChanged<span class="operator">,</span> glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>setZRotation);
connect(glWidget<span class="operator">,</span> <span class="operator">&</span>GLWidget<span class="operator">::</span>zRotationChanged<span class="operator">,</span> zSlider<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>setValue);
<span class="type"><a href="../qtwidgets/qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>mainLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qvboxlayout.html">QVBoxLayout</a></span>;
<span class="type"><a href="../qtwidgets/qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>container <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qhboxlayout.html">QHBoxLayout</a></span>;
container<span class="operator">-</span><span class="operator">></span>addWidget(glWidget);
container<span class="operator">-</span><span class="operator">></span>addWidget(xSlider);
container<span class="operator">-</span><span class="operator">></span>addWidget(ySlider);
container<span class="operator">-</span><span class="operator">></span>addWidget(zSlider);
<span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>w <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span>;
w<span class="operator">-</span><span class="operator">></span>setLayout(container);
mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(w);
dockBtn <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>(tr(<span class="string">"Undock"</span>)<span class="operator">,</span> <span class="keyword">this</span>);
connect(dockBtn<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span><span class="operator">::</span>clicked<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Window<span class="operator">::</span>dockUndock);
mainLayout<span class="operator">-</span><span class="operator">></span>addWidget(dockBtn);
setLayout(mainLayout);
xSlider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">15</span> <span class="operator">*</span> <span class="number">16</span>);
ySlider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">345</span> <span class="operator">*</span> <span class="number">16</span>);
zSlider<span class="operator">-</span><span class="operator">></span>setValue(<span class="number">0</span> <span class="operator">*</span> <span class="number">16</span>);
setWindowTitle(tr(<span class="string">"Hello GL"</span>));
}
<span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span> <span class="operator">*</span>Window<span class="operator">::</span>createSlider()
{
<span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span> <span class="operator">*</span>slider <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Vertical);
slider<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0</span><span class="operator">,</span> <span class="number">360</span> <span class="operator">*</span> <span class="number">16</span>);
slider<span class="operator">-</span><span class="operator">></span>setSingleStep(<span class="number">16</span>);
slider<span class="operator">-</span><span class="operator">></span>setPageStep(<span class="number">15</span> <span class="operator">*</span> <span class="number">16</span>);
slider<span class="operator">-</span><span class="operator">></span>setTickInterval(<span class="number">15</span> <span class="operator">*</span> <span class="number">16</span>);
slider<span class="operator">-</span><span class="operator">></span>setTickPosition(<span class="type"><a href="../qtwidgets/qslider.html">QSlider</a></span><span class="operator">::</span>TicksRight);
<span class="keyword">return</span> slider;
}
<span class="type">void</span> Window<span class="operator">::</span>keyPressEvent(<span class="type"><a href="../qtgui/qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>e)
{
<span class="keyword">if</span> (e<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Escape)
close();
<span class="keyword">else</span>
<span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span><span class="operator">::</span>keyPressEvent(e);
}
<span class="type">void</span> Window<span class="operator">::</span>dockUndock()
{
<span class="keyword">if</span> (parent()) {
setParent(<span class="number">0</span>);
setAttribute(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WA_DeleteOnClose);
move(<span class="type"><a href="../qtwidgets/qapplication.html">QApplication</a></span><span class="operator">::</span>desktop()<span class="operator">-</span><span class="operator">></span>width() <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span>
<span class="type"><a href="../qtwidgets/qapplication.html">QApplication</a></span><span class="operator">::</span>desktop()<span class="operator">-</span><span class="operator">></span>height() <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> height() <span class="operator">/</span> <span class="number">2</span>);
dockBtn<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Dock"</span>));
show();
} <span class="keyword">else</span> {
<span class="keyword">if</span> (<span class="operator">!</span>mainWindow<span class="operator">-</span><span class="operator">></span>centralWidget()) {
<span class="keyword">if</span> (mainWindow<span class="operator">-</span><span class="operator">></span>isVisible()) {
setAttribute(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>WA_DeleteOnClose<span class="operator">,</span> <span class="keyword">false</span>);
dockBtn<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Undock"</span>));
mainWindow<span class="operator">-</span><span class="operator">></span>setCentralWidget(<span class="keyword">this</span>);
} <span class="keyword">else</span> {
<span class="type"><a href="../qtwidgets/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="number">0</span><span class="operator">,</span> tr(<span class="string">"Cannot dock"</span>)<span class="operator">,</span> tr(<span class="string">"Main window already closed"</span>));
}
} <span class="keyword">else</span> {
<span class="type"><a href="../qtwidgets/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="number">0</span><span class="operator">,</span> tr(<span class="string">"Cannot dock"</span>)<span class="operator">,</span> tr(<span class="string">"Main window already occupied"</span>));
}
}
}
</pre>
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<!-- @@@hellogl2/window.cpp -->
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